Cayin RU6: R-2R USB Dongle DAC with Head-Amp
Feb 25, 2022 at 12:02 AM Post #2,116 of 3,737
Thanks for doing the comparison. What is the LG V60? Is that a smartphone? The DAP in your picture looks like a HIby R3 Pro.
Yes, DAP is HiBy R3. The photo was taken by LG V60 phone, so it is not in the picture. And I didn't compare HiBy R3, I use it's COAX out to drive Mojo.
 
Feb 25, 2022 at 12:30 AM Post #2,117 of 3,737
W2 is treasured for being slightly more resolving than most Dongles, but it suffered from lack of power which is lower than the manufacturer suggested....
I disagree. Besides actual listening, I measured both W2 and RU6 (under load) myself, and I have seen Audio Precision measurements of both that correspond to my own measurement - did not find W2 to lack power compared to RU6.
 
Feb 25, 2022 at 2:25 PM Post #2,120 of 3,737
guys, anybody tried ru6 with another usb cable?i heard sound changes a LOT, cuz stock cable is really slow quality
I have just bought this FiiO shielded cable from my local Hi-Fi retailer today:
https://www.son-video.com/article/accessoires-cables-informatiques-cables-usb/fiio/lt-tc1

I'm happy to announce that it seems to completely solve the EMI noise problem.

But on the other hand, Cayin should definitely have included a good cable in the box. This DAC is made for on the go listening after all.
 
Feb 25, 2022 at 3:29 PM Post #2,121 of 3,737
guys, anybody tried ru6 with another usb cable?i heard sound changes a LOT, cuz stock cable is really slow quality
I tried the USB-C charging cable from my iPad Pro. No noticeable sound difference.
I have abused the stock cable, bending a lot it during use. No problems so far.
 
Feb 26, 2022 at 3:57 PM Post #2,124 of 3,737
guys, anybody tried ru6 with another usb cable?i heard sound changes a LOT, cuz stock cable is really slow quality
I heard sound changes too. For me the Oehlbach Evolution CC cable sounds the best. Connection: mobile phone with HiBy Musik App - USB CC - Cayin RU6- Sony ier z1r balanced.
 

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Feb 26, 2022 at 4:05 PM Post #2,125 of 3,737
I heard sound changes too. For me the Oehlbach Evolution CC cable sounds the best. Connection: mobile phone with HiBy Musik App - USB CC - Cayin RU6- Sony ier z1r balanced.
In portugal i found this cable for 120 euros. Insane price
 
Feb 27, 2022 at 12:43 AM Post #2,130 of 3,737
I bought USB cables from here on recommendations from others. Works like a charm and very well built.
 

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